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セキュリティの基礎とインシデントレスポンス / Security Fundamentals a...
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Kenji Saito
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June 12, 2026
Technology
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セキュリティの基礎とインシデントレスポンス / Security Fundamentals and Incident Response
早稲田大学大学院経営管理研究科「サイバーセキュリティ」2026 夏の第3-4回で使用したスライドです。
Kenji Saito
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June 12, 2026
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Transcript
Generated by Stable Image Core 2026 3-4 (WBS) 2026 3-4
— 2022-06-15 – p.1/34
https://speakerdeck.com/ks91/collections/cyber-security-2026-summer 2026 3-4 — 2022-06-15 – p.2/34
( ) 1 6 8 (1) • 2 6 8
(2) • 3 6 15 (1) • 4 6 15 (2) • 5 6 22 I (1) ( ) 6 6 22 I (2) ( ) 7 6 29 (1) ( ) 8 6 29 (2) ( ) 9 7 6 (1) 10 7 6 (2) 11 7 13 (1) 12 7 13 (2) 13 7 20 II (1) ( ) 14 7 20 II (2) ( ) W-IOI / ( ) 2026 3-4 — 2022-06-15 – p.3/34
( 20 ) 1 • 2 • 3 • 4
(TCP/IP ) • 5 • 6 • 7 • 8 • 9 • 10 World Wide Web • 11 Web API • 12 • 13 git GitHub • 14 • / / OK / 2026 3-4 — 2022-06-15 – p.4/34
( ) ( ) 2026 3-4 — 2022-06-15 – p.5/34
+ — ( (1a), (1b), (2)) + ( (3)) 2026
3-4 — 2022-06-15 – p.6/34
2026 3-4 — 2022-06-15 – p.7/34
1. (1) (2) 2026 6 11 ( ) 23:59 JST
Waseda Moodle (Q & A ) 2026 3-4 — 2022-06-15 – p.8/34
. . . . . . 28 27 (6/12( )
) ( ) 2026 3-4 — 2022-06-15 – p.9/34
M AI AI AI ⇒ AI ( AI) AI AI
( ) ( ) ( ) 2026 3-4 — 2022-06-15 – p.10/34
N Weakest link ⇒ : 2 2026 3-4 — 2022-06-15
– p.11/34
S ⇒ 2026 3-4 — 2022-06-15 – p.12/34
S ( ) ⇒ 7-8 2026 3-4 — 2022-06-15 –
p.13/34
T 2026 3-4 — 2022-06-15 – p.14/34
3 ( ) ( ) ( ) 2026 3-4 —
2022-06-15 – p.15/34
( ) : Wi-Fi etc. (Confidentiality) (Integrity) (Availability) 2026 3-4
— 2022-06-15 – p.16/34
( +α) : . . . ( ) . .
. ( . . . ) ( ( )) . . . ( ) × → 2026 3-4 — 2022-06-15 – p.17/34
(Gold Standard of Security) (Authentication) ( ) ID / ,
, , , , , etc. (Authorization) ( ) , , sudoers, etc. (Audit) ( ) , , ( ), etc. 2026 3-4 — 2022-06-15 – p.18/34
(1a) : 1 ( ) (a) URL X 1. 2.
( ) 3. 2026 3-4 — 2022-06-15 – p.19/34
(1b) : 2 ( ) (b) ( ) 1. 2.
( ) 3. 2026 3-4 — 2022-06-15 – p.20/34
(2) : PPAP PPAP Password ( ) Passowrd ( )
A ( ) Protocol ( ) PPAP PPAP 2026 3-4 — 2022-06-15 – p.21/34
NICT CYDER https://cyder.nict.go.jp (3) : 2026 3-4 — 2022-06-15 –
p.22/34
Πϯγσϯτͷ༧ஹͳͲ ॳಈରԠ ෮چાஔ ఆରԠ ࠶ൃࢭࡦ ߃ٱରԠ ݕ౼ ࣄޙରԠ τϦΞʔδ ใ
ࠂ ɾ ެ ද Π ϯ γ σ ϯ τ ϋ ϯ υ Ϧ ϯ ά Π ϯ γ σ ϯ τ Ϩ ε ϙ ϯ ε ސ ٬ ɾ ެ ڞ ݕɾड ରԠํݕ౼ 1PJOUPG$POUBDU ূڌอશ ෧͡ࠐΊ ࠜઈ , , DoS , , etc. 2026 3-4 — 2022-06-15 – p.23/34
Point of Contact (PoC) 1 2026 3-4 — 2022-06-15 –
p.24/34
2026 3-4 — 2022-06-15 – p.25/34
HDD ( ) 2026 3-4 — 2022-06-15 – p.26/34
2026 3-4 — 2022-06-15 – p.27/34
( ) 2026 3-4 — 2022-06-15 – p.28/34
( ) JPCERT/CC, NISC, ( ) ( ) 2026 3-4
— 2022-06-15 – p.29/34
(1 ) 2026 3-4 — 2022-06-15 – p.30/34
(3) : 70 1,000 X 3 1. 2. 3. 3
2026 3-4 — 2022-06-15 – p.31/34
2026 3-4 — 2022-06-15 – p.32/34
2. OK (1) (2) 2026 6 18 ( ) 23:59
JST Waseda Moodle (Q & A ) 2026 3-4 — 2022-06-15 – p.33/34
I 2026 3-4 — 2022-06-15 – p.34/34